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Summer moisture changes in the Lake Qinghai area on the northeastern Tibetan Plateau recorded from a meadow section over the past 8400 yrs
Li, Xiangzhong1; Liu, Xiangjun2; He, Yuxin3; Liu, Weiguo1,5; Zhou, Xin4; Wang, Zheng1
2018-02-01
Source PublicationGLOBAL AND PLANETARY CHANGE
Volume161Pages:1-9
SubtypeArticle
AbstractHolocene climatic and environmental changes on the northeastern Tibetan Plateau (TP) have been widely discussed based on the climatic records from sedimentary cores. However, differences in the reconstructed climatic history from various studies in this region still exist, probably due to influence of climatic proxies from multiple factors and the chronological uncertainties in lacustrine sediments. Here we present records of terrestrial plant delta C-13, soil color and total organic carbon content over the past 8400 years from a well-dated meadow section on the northeastern TP. The terrestrial plant delta C-13 value serves as a good summer precipitation/moisture indicator in the studied region. Soil color property and TOC content are also able to disentangle the moisture evolution history. All the data show much wet climates at 8400-7400 cal yr BP, dry climates at 7400-6000 cal yr BP and then wet conditions with fluctuation at 6000-3200 cal yr BP. Late Holocene moisture appears to be comparable with moist conditions from 6000 to 3200 cal yr BP. By further comparing the climatic variations in the Lake Qinghai area with records of the reconstructed summer temperature and the Asian Monsoon precipitation, we believe that the pattern of moisture/precipitation evolution in the Lake Qinghai area was not completely consistent with regions around Lake Qinghai, probably due to complicated interaction between the East Asian Summer Monsoon and the Indian Summer Monsoon.
KeywordPlant Delta C-13 Summer Monsoon Mid-holocene Northeastern Tibetan Plateau Lake Qinghai
WOS HeadingsScience & Technology ; Physical Sciences
WOS KeywordCARBON-ISOTOPE DISCRIMINATION ; ASIAN MONSOON ; ORGANIC-CARBON ; LEVEL CHANGES ; PALEOVEGETATION RECONSTRUCTION ; OSTRACOD ASSEMBLAGES ; CLIMATIC-CHANGE ; OXYGEN-ISOTOPE ; NORTH CHINA ; HOLOCENE
Indexed BySCI
Language英语
WOS Research AreaPhysical Geography ; Geology
WOS SubjectGeography, Physical ; Geosciences, Multidisciplinary
WOS IDWOS:000424854000001
Citation statistics
Document Type期刊论文
Identifierhttp://ir.isl.ac.cn/handle/363002/6430
Collection青海盐湖研究所知识仓储
盐湖地质与环境实验室
Affiliation1.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian 710061, Peoples R China
2.Chinese Acad Sci, Qinghai Inst Salt Lakes, Key Lab Salt Lake Geol & Environm Qinghai Prov, Xining 810008, Peoples R China
3.Zhejiang Univ, Sch Earth Sci, Hangzhou 310027, Peoples R China
4.Univ Sci & Technol China, Sch Earth & Space Sci, Inst Polar Environm, Hefei 230026, Anhui, Peoples R China
5.Xi An Jiao Tong Univ, Sch Human Settlement & Civil Engn, Xian 710049, Peoples R China
Recommended Citation
GB/T 7714
Li, Xiangzhong,Liu, Xiangjun,He, Yuxin,et al. Summer moisture changes in the Lake Qinghai area on the northeastern Tibetan Plateau recorded from a meadow section over the past 8400 yrs[J]. GLOBAL AND PLANETARY CHANGE,2018,161:1-9.
APA Li, Xiangzhong,Liu, Xiangjun,He, Yuxin,Liu, Weiguo,Zhou, Xin,&Wang, Zheng.(2018).Summer moisture changes in the Lake Qinghai area on the northeastern Tibetan Plateau recorded from a meadow section over the past 8400 yrs.GLOBAL AND PLANETARY CHANGE,161,1-9.
MLA Li, Xiangzhong,et al."Summer moisture changes in the Lake Qinghai area on the northeastern Tibetan Plateau recorded from a meadow section over the past 8400 yrs".GLOBAL AND PLANETARY CHANGE 161(2018):1-9.
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